Yet, only the super able to neutralize Hulk at his prime is Sentry. Not even beating him. Just leveling with him enough to revert both of them to alter ego human forms.
Hulk-buster armor is a cute idea, but it's just a patch. Not going to beat Hulk. Period.

"How do you make someone stronger than the strongest person? It finally came to me: Don't make him human — make him a god. I decided readers were already pretty familiar with the Greek and Roman gods. It might be fun to delve into the old Norse legends... Besides, I pictured Norse gods looking like Vikings of old, with the flowing beards, horned helmets, and battle clubs. ...Journey into Mystery needed a shot in the arm, so I picked Thor ... to headline the book. After writing an outline depicting the story and the characters I had in mind, I asked my brother, Larry, to write the script because I didn't have time. ...and it was only natural for me to assign the penciling to Jack Kirby..." - Stan Lee on why he created Thor, reference: Excelsior!: The Amazing Life of Stan Lee.